Weathering and Erosion
Earth Science - Middle School
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Weathering & Er osion © Copyright NewPath Learning. All Rights Reserved. 94-4543 Visit www.newpathlearning.com for Online Learning Resources. Forces of weathering and erosion are constantly reshaping the Earth’s surface. Weathering is a group of natural processes that break rock into smaller pieces over time. Erosion occurs when rock and soil are transported. Mechanical Chemical plant growth Mechanical & Ch emical Weathering The two types of weathering are mechanical and chemical. Mechanical weathering is the physical decomposition of rocks. Chemical weathering is the decomposition of rocks by chemical reactions. wind water waves weathering physical decomposition chemical reactions flowing ice gravity How Is Rock Eroded? Rock can be eroded by many forces such as blowing wind, running water, ocean waves, flowing ice and gravity. These forces all contribute to sculpting the Earth’s landscape. Photos courtesy of USFWS, NPS, NASA, & USGS. erosion Mechanical Chemical plant growth
© Copyright NewPath Learning. All Rights Reserved. 94-4543 Visit www.newpathlearning.com for Online Learning Resources. Pause and Review Identify and describe the type of weathering and erosion seen in each image. Weathering/Erosion: ________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ Weathering/Erosion: ________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ Weathering/Erosion: ________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ Weathering/Erosion: ________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ Weathering/Erosion: ________________________________ ___________________________________________________ ___________________________________________________ ___________________________________________________ Weathering & Er osion
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